1. It has input reverse protection function, which automatically protects the product when the input is reversed, turns off the output, and thus protects the device. 2. Equipped with anti backflow function for output, the output interface only allows for output without input, the three outputs do not affect each other, and the devices do not interfere with each other. 3. Equipped with over temperature protection function, the product will automatically protect itself and display OFF when the temperature reaches 65 ℃. Automatically start when the temperature returns to below 40 ℃ of normal temperature. 4. Equipped with overcurrent protection function, when the current exceeds the rated current, the product automatically shuts off the output and displays OFF. Input voltage: 12V-16.8V Output voltage: 12V-16.8V Output current: 8A Wire specifications: 18AWG, OD5.0mm Wire length: 30-90cm Product weight: 218g Applicable batteries: V-lip type/Anton type battery Color: Black Material: ABS+PVC+Metal Package Contents: 2 x False battery D-Tap adapter cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.